little background story. buddy has a 88 f-superduty. 7.3 5 speed. 3 weeks ago he was having running issues. well never being timed, i took my meter over to time it. lots of grey smoke. could not get the thing to time. finally checked, no fuel pressure. bad lift pump. he got one and while we were installing it i noticed head gasket leaking coolant out the front of the gasket. so we put the pump in and started pulling it apart to do head gaskets. he uses this truck alot for work and around his farm. so it has to be right. sent the heads out to be checked while waiting for everything to come in. last friday i went over and got the heads bolted back on and torqued everything down. he put all the acessories back on and we quit for the night. monday i go back over to finish it up. set injection pump on, loosely installed lines and then started filling with fluids. got oil and coolant full. pulled glow plugs out to help spin it over easy to prime everything. got filter full and started to get fuel at injectors. had to go home for the night. next night i go over to try and get it going. first thing i notice is the puddle under the truck. coolant leak again. no pressure on the system. narrowed down to pass side front of motor. first thought was headgasket again(same area as before) but lucked out and it ended up being the bottom bolt for the tstat housing. pulled it out and put sealer on the threads. no more leaks. fought with getting it going. still nothing. couldnt work on it last night so tonight i go over, still not firing. checked for fuel, not much coming out of the bleeder. removed line to filter, harldy a squirt. unhooked line from tank to pump, pressurized the tank. line is clear, plenty of flow. removed fuel pump off block. went and dug out a spare used one i had. THE NEW PUMP HAD ALMOST AN INCH OF PLAY IN THE ARM! used pump had none. installed used pump, primed and she fired right up.timed it and took it out for a ride. runs better than it ever did.
moral, just because it is new, doesnt mean it is good.
btw, it was a napa lift pump that was bad outa the box.
moral, just because it is new, doesnt mean it is good.
btw, it was a napa lift pump that was bad outa the box.


